<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The aim of the study was to analyse how per os application of hydrocolloids of silver nanoparticles (22 nm) and lipid-coated nanosilver hydrocolloids (5 nm) affect the microbiological status and morphology of the jejunum of broiler chickens and their growth performance. The experiment was conducted on 60 chickens. The first group was the control. The chickens in group II received a silver nanoparticle hydrocolloid (Ag-nano) at a dose of 5 mg/kg b.w./day. The chickens in group III received a lipid-coated nanosilver hydrocolloid (AgL-nano) at a dose of 5 mg/kg b.w./day. Samples of digesta were taken from the jejunum during dissection and the total numbers of fungi, aerobic bacteria and bacteria of the coli group were determined in the samples. Samples of the jejunum were also collected during dissection to determine the length of the villi and depth of the crypts. The silver nanoparticles had no effect on growth performance or the histological picture of the jejunum. An increase was noted in the total number of aerobic mesophilic bacteria and a decrease in the number of coli group bacteria, which are facultative anaerobes, which indicates that the nanosilver had a selective effect on the microflora of the digestive tract in the chickens.</p></abstract>

The aim of the study was to analyse how per os application of hydrocolloids of silver nanoparticles (22 nm) and lipid-coated nanosilver hydrocolloids (5 nm) affect the microbiological status and morphology of the jejunum of broiler chickens and their growth performance. The experiment was conducted on 60 chickens. The first group was the control. The chickens in group II received a silver nanoparticle hydrocolloid (Ag-nano) at a dose of 5 mg/kg b.w./day. The chickens in group III received a lipid-coated nanosilver hydrocolloid (AgL-nano) at a dose of 5 mg/kg b.w./day. Samples of digesta were taken from the jejunum during dissection and the total numbers of fungi, aerobic bacteria and bacteria of the coli group were determined in the samples. Samples of the jejunum were also collected during dissection to determine the length of the villi and depth of the crypts. The silver nanoparticles had no effect on growth performance or the histological picture of the jejunum. An increase was noted in the total number of aerobic mesophilic bacteria and a decrease in the number of coli group bacteria, which are facultative anaerobes, which indicates that the nanosilver had a selective effect on the microflora of the digestive tract in the chickens.

10. The Effect of Chemically-Synthesized Silver Nanoparticles on Performance and the Histology and Microbiological Profile of the Jejunum in Chickens

Department of Biochemistry and Toxicology, Faculty of Biology and Animal Breeding, University of Life Sciences in Lublin, Akademicka 13, 20-950 Lublin, Poland

Department of Animal Hygiene and Environment, Faculty of Biology and Animal Breeding, University of Life Sciences in Lublin, Akademicka 13, 20-950 Lublin, Poland

Department of Metrology and Modelling of Agrophysical Processes, Bohdan Dobrzański Institute of Agrophysics of the Polish Academy of Sciences, Doświadczalna 4, 20-290 Lublin, Poland

Chair of Soil Science, Environmental Chemistry and Hydrology, Faculty of Biology and Agriculture, University of Rzeszów, Zelwerowicza 8B, 35-601 Rzeszów, Poland

Annals of Animal Science

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The aim of the study was to analyse how per os application of hydrocolloids of silver nanoparticles (22 nm) and lipid-coated nanosilver hydrocolloids (5 nm)...

10. The Effect of Chemically-Synthesized Silver Nanoparticles on Performance and the Histology and Microbiological Profile of the Jejunum in Chickens

Article Category: The Biology, Physiology, Reproduction, and Health

Published Online: May 06, 2016

Page range: 439 - 450

Received: Jul 09, 2015

Accepted: Sep 30, 2015

DOI: https://doi.org/10.1515/aoas-2015-0067

Keywords
chickens, nanoparticles, performance, jejunum

© by Katarzyna Ognik

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

10. The Effect of Chemically-Synthesized Silver Nanoparticles on Performance and the Histology and Microbiological Profile of the Jejunum in Chickens

Article Category: The Biology, Physiology, Reproduction, and Health

Published Online: May 06, 2016

Page range: 439 - 450

Received: Jul 09, 2015

Accepted: Sep 30, 2015

DOI: https://doi.org/10.1515/aoas-2015-0067

Keywordschickens, nanoparticles, performance, jejunum

© by Katarzyna Ognik

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
chickens, nanoparticles, performance, jejunum